The 22-year-old scored his 21st goal of the season to fire the Stags on their way to a vital victory in their race for promotion, but now faces suspension after seeing red in the dying moments.

Deep into the seventh minute of injury time, Walker was adamant that he had won his side a throw-in and a chance to run the clock down at the death in their tense 1-0 win over fellow promotion rivals Forest Green.